JOHN BAE KORLESKI MD
NPI 1134766959
Internal Medicine - Hematology & Oncology in Rochester, MN

Q: What is John Korleski's NPI number?

The NPI number for John Korleski is 1134766959. It was assigned to this individual provider in the NPPES registry on December 1, 2019. The provider is also known as John Michael Korleski.

Q: What is John Korleski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for John Korleski was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 01, 2019PECOS EnrolledAccepts Medicare Assignment

200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jun 16, 2025, Jul 17, 2023, Dec 4, 2019 (3 updates tracked since 2019).

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About John Bae Korleski Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN BAE KORLESKI MD (NPI 1134766959) is an individual hematology & oncology provider in Rochester, Minnesota, licensed in Minnesota (74769) and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1134766959

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameJOHN BAE KORLESKICredential: MD

Location Address200 1ST ST SWRochester, MN 55905-0001

Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511

Phone(507) 284-2511

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2022

Enumeration DateDecember 1, 2019

Last NPPES UpdateJune 16, 20253 updates tracked since enumeration

NPPES CertifiedJune 16, 2025

✔ NPI 1134766959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in MN · 74769

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal MedicineTaxonomy 207R00000X · License 32704 (MN), 74769 (MN)

200 1ST ST SW, Rochester, MN 55905

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Other Names 1

Former Name (1)John Michael Korleski

Secondary Practice Location 1

Location 1600 N Wolfe StBaltimore, MD 21287-0005 · Phone (410) 955-5000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John Bae Korleski Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123408580

PECOS Enrollment IDI20230811001693

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number240010

Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$168.28 typical visit price

range $56.00 – $168.28

Typical copayment $42.07 (range $14.00 – $42.07)

Most-billed visit code 99205

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EMILY LEASURE MD

Internal Medicine